Javaでクラスパスを動的に追加する方法 1
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JavaがOSから受け取る情報はSystem.getProperties()で取得する事ができます。
public class Test {
public static void main(String[] args) {
System.getProperties().list(System.out);
}
}
上記のコードを実行すると、下記のような表示結果になります。
-- listing properties --
java.runtime.name=Java(TM) 2 Runtime Environment, Stand...
sun.boot.library.path=C:Program FilesJavajre1.5.0_12bin
java.vm.version=1.5.0_12-b04
java.vm.vendor=Sun Microsystems Inc.
java.vendor.url=http://java.sun.com/
path.separator=;
java.vm.name=Java HotSpot(TM) Client VM
file.encoding.pkg=sun.io
user.country=JP
sun.java.launcher=SUN_STANDARD
sun.os.patch.level=Service Pack 2
java.vm.specification.name=Java Virtual Machine Specification
user.dir=C:Documents and Settingsdaisukewor...
java.runtime.version=1.5.0_12-b04
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs=C:Program FilesJavajre1.5.0_12lib...
os.arch=x86
java.io.tmpdir=C:DOCUME~1daisukeLOCALS~1Temp
line.separator=
java.vm.specification.vendor=Sun Microsystems Inc.
user.variant=
os.name=Windows XP
sun.jnu.encoding=MS932
java.library.path=C:Program FilesJavajre1.5.0_12bin...
java.specification.name=Java Platform API Specification
java.class.version=49.0
sun.management.compiler=HotSpot Client Compiler
os.version=5.1
user.home=C:Documents and Settingsdaisuke
user.timezone=
java.awt.printerjob=sun.awt.windows.WPrinterJob
file.encoding=MS932
java.specification.version=1.5
user.name=daisuke
java.class.path=C:Documents and Settingsdaisukewor...
java.vm.specification.version=1.0
sun.arch.data.model=32
java.home=C:Program FilesJavajre1.5.0_12
java.specification.vendor=Sun Microsystems Inc.
user.language=ja
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=mixed mode, sharing
java.version=1.5.0_12
java.ext.dirs=C:Program FilesJavajre1.5.0_12lib...
sun.boot.class.path=C:Program FilesJavajre1.5.0_12lib...
java.vendor=Sun Microsystems Inc.
file.separator=
java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport...
sun.cpu.endian=little
sun.io.unicode.encoding=UnicodeLittle
sun.desktop=windows
sun.cpu.isalist=



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